Home / 28,449.32-39,247.56-27,131.72

Finding the Fourth Proportional to 28,449.32, 39,247.56 and 27,131.72

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Solution

The fourth proportional to 28,449.32, 39,247.56 and 27,131.72 is: 37,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.32 : 39,247.56 = 27,131.72 : x
  2. Step 2: Convert to fraction form
    28,449.32/39,247.56 = 27,131.72/x
  3. Step 3: Cross multiply
    28,449.32x = 39,247.56 × 27,131.72
  4. Step 4: Simplify right side
    28,449.32x = 1,064,853,808.60
  5. Step 5: Solve for x
    x = 1,064,853,808.60/28,449.32
  6. Step 6: Final answer
    x = 37,429.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.